单词:rare earth minerals
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AS IT IS 2013-12-20 Martian Lake Possibly Supported Microbial Life 火星湖可能存在微生物 From VOA Learning English this is As It Is. Hello. Im Caty Weaver. Climate researchers have found links between recent periods of extreme weather and th
Rock 岩石 If you look around you, you can find some rocks very easily. 如果你环顾四周的话,你轻而易举就能发现一些岩石。 Rocks are minerals and they are all from the Earth. 岩石是矿物质,全都来自于地球。 What c
Rare Minerals May Be in North Korea 稀有矿物质可能在朝鲜发现 Hello and welcome back. Im Jim Tedder in Washington. Today we are going to talk about something that is worth a lot of money, and it is buried in the ground. Were not exactly go
Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti
BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and
China is the world's largest producer and exporter of rare-earths. These are elements which are critical to the manufacturing of high-tech products, including smartphones, wind turbines and car batteries, among other things. However, the rare-earth i